77880005

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{60139}}^1$

素因数の和:60188

約数の個数: 16

約数和(自身を含む): 109695360

約数和(自身を除く): 31815355

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 60139, 300695, 420973, 2104865, 2225143, 11125715, 15576001, 77880005]

約数ペア:

[(1, 77880005), (5, 15576001), (7, 11125715), (35, 2225143), (37, 2104865), (185, 420973), (259, 300695), (1295, 60139)]